Respuesta :

2-1/4
2/1=8/4       Multiply top and bottom by 4
8/4-1/4
7/4
1 3/4
 2   -   1/4

=  2*(4/4)   -  1/4

= 8/4  - 1/4 =   (8 - 1) /4

= 7/4

or

= 1   3/4   in mixed fraction.